Lenovo Y400 Series Laptop User Manual


 
Lenovo Notebook Computer User Guide
computer.Usingthewrongadaptormightdamageyour
computer.
Caution:TheACadaptorcanautomaticallyadjusttoany
voltagefrom100to240volts,aswellasafrequencyof
either50or60hertz,thusenablingyoutousethecomputer
inalmostanyregion.ThePowerJackandpowercordjack
mightvaryindifferentcountriesand/orregions.Makesure
thattheACadaptoriscorrectlyconnectedtothepower
source.Awrongconnectioncan damageyourcomputerand
resultinafireaccident.
1.1.3Fanlouvers
TheinternalFanLouversenableairtocirculateinthecomputerand
cooltheCentralProcessor.
Hint:Yournotebookswitchesonthefanwhenthe
CentralProcessorbecomeshot.Theoperationofthefan
mightcausesomenoises,whichisanormalsituation.
Caution:Toavoidcompromisingventilation,donotplace
anyobstacleinfrontofthefan.
1.1.4LANport,Modemjack
1.1.4.1LANport
TheRJ45networkjackallowsyoutoconnectyourcomputertoa
localareanetwork(LAN).
5